Add 7/42 and 96/20, Solve 7/42 + 4 16/20 as a fraction

Add 7/42 and 96/20

1^st number: 7/42, 2^nd number: 4 16/20

7/42 + 96/20 is 149/30.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 20 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 42 × 10 = 420,
7/42 = 7 × 10/42 × 10 = 70/420
Likewise, for the 2nd fraction, since 20 × 21 = 420,
96/20 = 96 × 21/20 × 21 = 2016/420
Add the two like fractions:
70/420 + 2016/420 = 70 + 2016/420 = 2086/420
2086/420 simplified gives 149/30
So, 7/42 + 96/20 = 149/30
In mixed form: 429/30

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad